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@Target(value=TYPE) @Retention(value=RUNTIME) public @interface SqlResultSetMapping
This annotation is used to specify the mapping of the result of a native SQL query.
Example: Query q = em.createNativeQuery( "SELECT o.id AS order_id, " + "o.quantity AS order_quantity, " + "o.item AS order_item, " + "i.name AS item_name, " + "FROM Order o, Item i " + "WHERE (order_quantity > 25) AND (order_item = i.id)", "OrderResults"); @SqlResultSetMapping(name="OrderResults", entities={ @EntityResult(entityClass=com.acme.Order.class, fields={ @FieldResult(name="id", column="order_id"), @FieldResult(name="quantity", column="order_quantity"), @FieldResult(name="item", column="order_item")})}, columns={ @ColumnResult(name="item_name")} )
Required Element Summary | |
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String |
name
The name given to the result set mapping, and used to refer to it in the methods of the Query API. |
Optional Element Summary | |
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ColumnResult[] |
columns
Specifies the result set mapping to scalar values. |
EntityResult[] |
entities
Specifies the result set mapping to entities. |
Element Detail |
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public abstract String name
Query
API.
public abstract EntityResult[] entities
public abstract ColumnResult[] columns
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Copyright 2006 Sun Microsystems, Inc. All rights reserved.